256605184

素因数分解:

$2^{10}\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 132

約数和(自身を含む): 598952200

約数和(自身を除く): 342347016

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 109, 121, 128, 152, 176, 209, 218, 242, 256, 304, 352, 418, 436, 484, 512, 608, 704, 836, 872, 968, 1024, 1199, 1216, 1408, 1672, 1744, 1936, 2071, 2299, 2398, 2432, 2816, 3344, 3488, 3872, 4142, 4598, 4796, 4864, 5632, 6688, 6976, 7744, 8284, 9196, 9592, 9728, 11264, 13189, 13376, 13952, 15488, 16568, 18392, 19184, 19456, 22781, 26378, 26752, 27904, 30976, 33136, 36784, 38368, 45562, 52756, 53504, 55808, 61952, 66272, 73568, 76736, 91124, 105512, 107008, 111616, 123904, 132544, 147136, 153472, 182248, 211024, 214016, 250591, 265088, 294272, 306944, 364496, 422048, 501182, 530176, 588544, 613888, 728992, 844096, 1002364, 1060352, 1177088, 1227776, 1457984, 1688192, 2004728, 2120704, 2354176, 2915968, 3376384, 4009456, 5831936, 6752768, 8018912, 11663872, 13505536, 16037824, 23327744, 32075648, 64151296, 128302592, 256605184]

約数ペア:

[(1, 256605184), (2, 128302592), (4, 64151296), (8, 32075648), (11, 23327744), (16, 16037824), (19, 13505536), (22, 11663872), (32, 8018912), (38, 6752768), (44, 5831936), (64, 4009456), (76, 3376384), (88, 2915968), (109, 2354176), (121, 2120704), (128, 2004728), (152, 1688192), (176, 1457984), (209, 1227776), (218, 1177088), (242, 1060352), (256, 1002364), (304, 844096), (352, 728992), (418, 613888), (436, 588544), (484, 530176), (512, 501182), (608, 422048), (704, 364496), (836, 306944), (872, 294272), (968, 265088), (1024, 250591), (1199, 214016), (1216, 211024), (1408, 182248), (1672, 153472), (1744, 147136), (1936, 132544), (2071, 123904), (2299, 111616), (2398, 107008), (2432, 105512), (2816, 91124), (3344, 76736), (3488, 73568), (3872, 66272), (4142, 61952), (4598, 55808), (4796, 53504), (4864, 52756), (5632, 45562), (6688, 38368), (6976, 36784), (7744, 33136), (8284, 30976), (9196, 27904), (9592, 26752), (9728, 26378), (11264, 22781), (13189, 19456), (13376, 19184), (13952, 18392), (15488, 16568)]